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Finding the Fourth Proportional to 107,073.34, 160,547.74 and 40,518.60

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Solution

The fourth proportional to 107,073.34, 160,547.74 and 40,518.60 is: 60,754.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,073.34 : 160,547.74 = 40,518.60 : x
  2. Step 2: Convert to fraction form
    107,073.34/160,547.74 = 40,518.60/x
  3. Step 3: Cross multiply
    107,073.34x = 160,547.74 × 40,518.60
  4. Step 4: Simplify right side
    107,073.34x = 6,505,169,657.96
  5. Step 5: Solve for x
    x = 6,505,169,657.96/107,073.34
  6. Step 6: Final answer
    x = 60,754.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.